your calling. One Lord, one faith, one baptism. One God and Father of all, who is above all, and through all, and in us all” (Eph 4:3–6). All of a sudden only one thing is essential: love. But from its monism everything constantly comes forth new. The simple richness of the one Being opens out and discloses all the fullness of its truth, trinitarian, christological, ecclesiological, sacramental and cosmological. We have already treated of this element by implication.